Name: CVE-2019-20840: Out-of-bounds Write
Creator: Rapid7
Published: 2020-06-17T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2019-20840, CWE-787, CVSS 7.5, EPSS 0.02026

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade libvncserver	Aug 7, 2020	Jun 17, 2020
Debian	—	Upgrade libvncserver	Jul 30, 2024	Jun 17, 2020
Huawei Euleros 2_0_sp3	—	Upgrade libvncserver	May 25, 2022	Jun 17, 2020
Huawei Euleros 2_0_sp5	—	Upgrade libvncserver	Mar 22, 2022	Jun 17, 2020
Huawei Euleros 2_0_sp8	—	Upgrade libvncserver	Feb 2, 2021	Jun 17, 2020
Suse	—	Upgrade libvncserver0Upgrade LibVNCServer-develUpgrade libvncclient0	Jul 19, 2020	Jun 17, 2020
Ubuntu	—	Upgrade libvncclient1Upgrade libvncserver1	Aug 5, 2020	Jun 17, 2020

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CVSS Details

Covered by Rapid7

Prioritize with Active Threat Intelligence